diff options
Diffstat (limited to 'src/include/optimizer/clauses.h')
| -rw-r--r-- | src/include/optimizer/clauses.h | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/src/include/optimizer/clauses.h b/src/include/optimizer/clauses.h index da0fe4c5102..8da7a8688ef 100644 --- a/src/include/optimizer/clauses.h +++ b/src/include/optimizer/clauses.h @@ -7,7 +7,7 @@ * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $Id: clauses.h,v 1.56 2002/12/01 21:05:14 tgl Exp $ + * $Id: clauses.h,v 1.57 2002/12/12 15:49:41 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -16,23 +16,28 @@ #include "nodes/relation.h" -extern Expr *make_clause(int type, Node *oper, List *args); -extern bool is_opclause(Node *clause); -extern Expr *make_opclause(Oper *op, Var *leftop, Var *rightop); + +#define is_opclause(clause) ((clause) != NULL && IsA(clause, OpExpr)) +#define is_funcclause(clause) ((clause) != NULL && IsA(clause, FuncExpr)) +#define is_subplan(clause) ((clause) != NULL && IsA(clause, SubPlanExpr)) + + +extern Expr *make_opclause(Oid opno, Oid opresulttype, bool opretset, + Expr *leftop, Expr *rightop); extern Var *get_leftop(Expr *clause); extern Var *get_rightop(Expr *clause); -extern bool is_funcclause(Node *clause); -extern Expr *make_funcclause(Func *func, List *funcargs); - -extern bool or_clause(Node *clause); -extern Expr *make_orclause(List *orclauses); +extern Expr *make_funcclause(Oid funcid, Oid funcresulttype, bool funcretset, + CoercionForm funcformat, List *funcargs); extern bool not_clause(Node *clause); extern Expr *make_notclause(Expr *notclause); extern Expr *get_notclausearg(Expr *notclause); +extern bool or_clause(Node *clause); +extern Expr *make_orclause(List *orclauses); + extern bool and_clause(Node *clause); extern Expr *make_andclause(List *andclauses); extern Node *make_and_qual(Node *qual1, Node *qual2); @@ -60,7 +65,7 @@ extern bool has_distinct_on_clause(Query *query); extern void clause_get_relids_vars(Node *clause, Relids *relids, List **vars); extern int NumRelids(Node *clause); -extern void CommuteClause(Expr *clause); +extern void CommuteClause(OpExpr *clause); extern Node *eval_const_expressions(Node *node); @@ -78,8 +83,4 @@ extern bool query_tree_walker(Query *query, bool (*walker) (), extern void query_tree_mutator(Query *query, Node *(*mutator) (), void *context, int flags); -#define is_subplan(clause) ((clause) != NULL && \ - IsA(clause, Expr) && \ - ((Expr *) (clause))->opType == SUBPLAN_EXPR) - #endif /* CLAUSES_H */ |